Alexander confronts his mother. Regina asserts that the conversation between her and Joachim was not about him, but about Marc. Alexander believes that his father deliberately organized the trip to Mongolia to separate him and Corinna. Furious, he decides to move into the shared apartment for some time. When Corinna learns that Alexander wants to cancel the trip, she decides to ride with him so that he does not miss this opportunity. She secretly makes the necessary preparations ... Aylin has so far had no success in her attempts to sell the cosmetics of the company 'Bio-Flower'. She asks 'Franco' for advice, who suggests that she organize a sales party, but only invite people who have not yet been approached. Aylin thinks that the only ones who haven't heard of Bio-Flower have to be men. So, under a pretext, she invites some men to the Schiller. When they learn the real reason for the event, they are no enthusiastic at first. Armin saves the situation by secretly revealing to those present that Aylin wants to finance a stay abroad by selling these products ... Marc reconciles with Till. However, when he wants to ask Antonia's forgiveness, he bites on granite. Ute visits Antonia and explains to her that there is nothing serious between her and Marc. That doesn't seem to help either. Ute advises Marc to follow words with deeds. He reaches for the paint can and sprays a heart on the facade of the house in the courtyard to prove his love for Antonia. He is caught by Margot.